While you’re on the beach, cold beverages tend to lose its icy charm the moment you take it out of the icebox. Good thing there’s the Tjiller Beer Chiller, an ingenious portable chiller which keeps your drink cold as it needs to be for up to five hours. Just stuck the Tjiller Beer Chiller in the freezer overnight, and it’s good to go. Its outer shell is constructed from polystyrene that insulates the gel inside which can be cooled down to a very low temperatures, while an aluminum membrane regulates the temperature to its coldest. $14.